1.

57.63 – 37.26 = 39.27 – ? (a) 18.90 (b) 18.54 (c) 19.73 (d) 19.54 (e) None of these

Answer» (a) 57.63 – 37.26 = 39.27 – ?
20.37 = 39.27 – ?
? = 39.27 – 20.37 = 18.9


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